windows forms using c#

//see this code..

void Load_GridData()     {         conn.Open();  // open the connection          SqlDataAdapter Sqa = new SqlDataAdapter("select * from picture", conn);         DataSet ds = new DataSet();         Sqa.Fill(ds);   // fill the dataset          GridView1.DataSource = ds; // give data to GridView         GridView1.DataBind();         conn.Close();     }